MESON Chess Problem Database

Problem Display
PID: 233467 (2B5/4K3/2p5/3kp3/2pp4/8/4PB2/2Q1R3 w - - 0 1)

Rosenthal, Moisej Schlemowitsch

Freie Presse, 1966

2B5/4K3/2p5/3kp3/2pp4/8/4PB2/2Q1R3

#2

6 + 5

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...d3
      • 2.e4#
    • 1...e4
      • 2.Qg5#
    • 1...c5
      • 2.Bb7#
  • Tries
    • 1.Qa3?
      • 1...Ke4
        • 2.Qf3#
      • 1...c5
        • 2.Bb7#
        • 2.Qa8#
      • 1...d3
        • 2.e4#
      • 1...e4
        • 2.Qd6#
      • 1...c3!
  • Keys
    • 1.Qc3!
      • 1...Ke4
        • 2.Qf3#
      • 1...Kc5
        • 2.Qa5#
      • 1...dxc3
        • 2.e4#
      • 1...d3
        • 2.e4#
      • 1...e4
        • 2.Qxd4#
      • 1...c5
        • 2.Bb7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(b);N_GUARD::P(C)
    • P(d);OGATEB,SBLOCK::QAR(A)
    • P(e);OGATEB,SBLOCK::B(F)
  • Tries
    • Try
      • Q(A);
      • Vars
        • K(c);S_FLIGHT::QAB1(A)
        • P(b);N_GUARD::P(C)
        • P(d);SBLOCK::QAR1(A)
      • Refutation
        • P(a);
  • Actual
    • Q(A);
    • Vars
      • K(c);S_FLIGHT::QAB1(A)
      • K(c);P-FLIGHT,P_SPINP(a)::QAR2(A)
      • P(b);N_GUARD,XQ(A)::P(C)
      • P(b);N_GUARD::P(C)
      • P(d);N_GUARD::QAR1(A),XP(b)
      • P(e);OGATEB,SBLOCK::B(F)
HTML5 logo

Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).